Math Salamanders Ltd.
Column Addition - 2 Digits Sheet 1
In this column addition problem, students add two-digit numbers with and without regrouping. Students complete 12 addition problems.
Math Salamanders Ltd.
Column Addition (No Carrying) 3 Digits Sheet 2
In this column addition instructional activity, students add two- and three-digit numbers together without regrouping. They complete 15 addition problems.
Curated OER
Three-Digit Addition
Students work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.
Curated OER
Three Digit 1
In this addition practice activity, 2nd graders add two and three digit numbers to solve twenty-five problems. Answers are included on the second page of this file.
Curated OER
Introduce Double-Digit Addition
Students generate a list of numbers then classify them into groups of single digit and double-digit numbers. After listening to a children's book about double-digit addition, they work with tens and ones blocks to solve double-digit...
Curated OER
Add Different Digits - Vertical
In this finding the sums worksheet, students add mixed numbers from two-digits to five digits with regrouping. Students solve 12 problems.
Math Salamanders Ltd.
Column Addition - 4 Digits and Multi-Addends
In this addition learning exercise, students complete a set of 12 problems by adding three- and four-digit numbers. A reference website is provided for additional activities.
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Two Digit 3
For this addition worksheet, students add two digit to two digit numbers for twenty-five problems. Regrouping is used for several of the problems. Answers are included with this worksheet.
Scholastic
Scholastic: Max's Math Adventures: Good Bye Training Wheels!
Take a bike ride with Max and add up the miles he has traveled. Use the teacher's guide, activity sheet, and extra challenges to create an engaging learning experience!
Khan Academy
Khan Academy: Multi Digit Addition
Add whole numbers with sums less than 1,000,000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Drills
Math Drills: Addition Worksheets
Download these worksheets to sharpen your addition skills. Sheets focus on single and multi-digit addition, addition table, column addition, and adding doubles of numbers.
AAA Math
Aaa Math: Adding Five Digit Numbers
AAAMath.com provides an online game to practice addition with five digit numbers. The game will give you addition problems and keep track of your correct and incorrect answers. It will also give you a percent score for the correct answers!
NumberNut
Number Nut: Addition: Adding Two Digit Numbers
Explains how to add two-digit numbers by focusing on each column of digits as you add, rather than the entire numbers.
NumberNut
Number Nut: Addition: Adding Three Digit Numbers
Explains how to add three-digit numbers by focusing on each column of digits as you add.
NumberNut
Number Nut: More Than Two Addends
Develop strategies for adding more than two addends with this quick addition lesson. Examine how grouping numbers can help make adding multiple numbers easier. Then, practice your new skills using the related interactive games that are...
Quia
Quia: Add Your Way to a Million (Rags to Riches)
You can earn a million bucks playing this addition game. A succinct multiple choice game with hints, if you need them. Contains simple computation problems mixed with a few word problems. Must be able to add up to the millions place (one...
AAA Math
Aaa Math: Vertical Addition
See examples of addition problems that are arranged vertically. There is also a game that allows you to practice your addition skills. The game keeps track of your correct and incorrect answers, it also gives a percentage score of your...
Other
Project Happy Child: Free Addition Worksheets
2000 basic addition worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.